diff --git a/src/test/asmjit_test_opcode.h b/src/test/asmjit_test_opcode.h
index 8423921..bff68e7 100644
--- a/src/test/asmjit_test_opcode.h
+++ b/src/test/asmjit_test_opcode.h
@@ -1329,6 +1329,7 @@ static void opcode(asmjit::X86Assembler& a, bool useRex1 = false, bool useRex2 =
   // POPCNT.
   a.nop();
 
+  a.popcnt(gzA, gzB);
   a.popcnt(gzA, anyptr_gpB);
 
   // AESNI.